147211820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6451}}^1$

素因数の和:6630

約数の個数: 48

約数和(自身を含む): 355531008

約数和(自身を除く): 208319188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 6451, 11410, 12902, 22820, 25804, 32255, 45157, 64510, 90314, 129020, 180628, 225785, 451570, 903140, 1051513, 2103026, 4206052, 5257565, 7360591, 10515130, 14721182, 21030260, 29442364, 36802955, 73605910, 147211820]

約数ペア:

[(1, 147211820), (2, 73605910), (4, 36802955), (5, 29442364), (7, 21030260), (10, 14721182), (14, 10515130), (20, 7360591), (28, 5257565), (35, 4206052), (70, 2103026), (140, 1051513), (163, 903140), (326, 451570), (652, 225785), (815, 180628), (1141, 129020), (1630, 90314), (2282, 64510), (3260, 45157), (4564, 32255), (5705, 25804), (6451, 22820), (11410, 12902)]